Catholic Church. National Conference of Catholic Bishops. (1972). Population and the American future: A response, April 13, 1972 : a resolution of the National Conference of Catholic Bishops. [s.n..
Lua i Stíl Chicago (17ú heag.)Catholic Church. National Conference of Catholic Bishops. Population and the American Future: A Response, April 13, 1972 : A Resolution of the National Conference of Catholic Bishops. Washington, D.C.: [s.n., 1972.
Lua MLA (8ú heag.)Catholic Church. National Conference of Catholic Bishops. Population and the American Future: A Response, April 13, 1972 : A Resolution of the National Conference of Catholic Bishops. [s.n., 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.